biden was there. also joining the conversation were experts studying gun safety. after the worst school shooting in u.s. history, the virginia tech massacre in 2007. let's go to white house correspondent dan lothian. dan, what specifically was discussed during this round table? >> reporter: victor, first of all, i should point out this was a closed door meeting. afterwards, the vice president did sort of lay out some of the themes that they all discussed including universal background checks, that is something the administration has been pushing for ever since that shooting that happened in connecticut, they wouldn't to make sure no matter where you're buying a weapon, whether it is in a private sale, a gun show, that there is this background check that takes place. the vice president also says they talked about the mental health issues and the lack of mental health professionals to adequately deal with this problem. we have heard this as well and something the president talked about, one of his initiatives in curbing gun violence, a database to better understand the people who are out